In a social media post earlier today, US President Donald Trump seemed to double down on claims his country would fight to control the territory of Gaza. He had also suggested recently at a press conference that Palestinians should leave the region and be taken in by neighbouring nations. We explore to what extent a US takeover of Gaza would be in violation of international law.

Also on the programme: A US immigration lawyer weighs in on whether President Trump can end birth-right citizenship, after the US leader tried to have the constitutional right rescinded; new findings on where Indo-European languages originated; and the launch of lab-grown meat for dogs in a world first.

(Photo: Demonstrators attend a protest against US President Donald Trump's plan to resettle Palestinians from Gaza, in front of the US consulate in Istanbul, Turkey, 6th February 2025. Credit: Umit Bektas/REUTERS)